/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8                               :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney                              │
│                                                                              │
│ Permission to use, copy, modify, and/or distribute this software for         │
│ any purpose with or without fee is hereby granted, provided that the         │
│ above copyright notice and this permission notice appear in all copies.      │
│                                                                              │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
│ PERFORMANCE OF THIS SOFTWARE.                                                │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "dsp/core/core.h"
#include "dsp/core/illumination.h"
#include "libc/math.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
#include "tool/viz/lib/formatstringtable-testlib.h"

TEST(inv3, test) {
  double M[3][3];
  inv3(M, kBradford, det3(kBradford));
  EXPECT_DBLMATRIXEQ(7, rint, 3, 3, M, "\n\
   .9869929   -.1470543    .1599627\n\
   .4323053    .5183603   .04929123\n\
-.008528665   .04004282    .9684867");
}

BENCH(inv3, bench) {
  double M[3][3], d;
  EZBENCH2("det3", donothing, __expropriate((d = det3(kBradford))));
  EZBENCH2("inv3", donothing, __expropriate(inv3(M, kBradford, d)));
}
